From nobody Wed Nov 27 06:29:22 2024 Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DE6EC154C0D; Sun, 13 Oct 2024 20:18:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.134.164.104 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728850695; cv=none; b=PgVZAlcjUv6Ahe9ZhESj0zD7r6zn/s+Y60zZPrJn2ZELeUYrgdt+KhN1wg9pmPvbGu9SWp7/8Z7SJYM4fyoUp7tMEMoHGzW+rDwbkOQVbe0P4Tnp+XBgrGfFi7KT21DxTYZNfY86e2IEEuCSKEd+YchxPQOtIfCLoN1UdsYG5ps= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728850695; c=relaxed/simple; bh=yW708ymNXET2POwetW52X/q9M+jWgYaprMUFc1XH+KQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=mpVwx9D5uszEMr5G3R3UIWhWBClIFGpuIFBTMw5J2yZHyK5I2+aoICj4GFPFVXmRAc240RJuaOsAyYmteQTj2bKIbFPMfWs20koGVCs0kIEdFfX5YmDJzRVCg5A49C7djauvsM1sxKPXWnPKdFpy00gaIXfwn8EnHEuoZqfhNi8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=inria.fr; spf=pass smtp.mailfrom=inria.fr; dkim=pass (1024-bit key) header.d=inria.fr header.i=@inria.fr header.b=h8O5zAoY; arc=none smtp.client-ip=192.134.164.104 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=inria.fr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=inria.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=inria.fr header.i=@inria.fr header.b="h8O5zAoY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inria.fr; s=dc; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=QEupsITxPV+cd5nWI7EVwYHWMykqTZ1CZVXuXfofYSE=; b=h8O5zAoYCF49NE36/OotUYfFdc1sg3QS2yfv+tZU2yY5RoWEaUAhj1VW T9jrFQapLlobnkHjTrxvAaBAjmPsBv5CjTLP74MElCijrmizSHNbdX+wZ nBEMCwv0397L1wp2xEJ95MQRKnDc2UiRi+4rMs+TsRaxOu8ItQ88/KOue w=; Authentication-Results: mail3-relais-sop.national.inria.fr; dkim=none (message not signed) header.i=none; spf=SoftFail smtp.mailfrom=Julia.Lawall@inria.fr; dmarc=fail (p=none dis=none) d=inria.fr X-IronPort-AV: E=Sophos;i="6.11,201,1725314400"; d="scan'208";a="98968279" Received: from i80.paris.inria.fr (HELO i80.paris.inria.fr.) ([128.93.90.48]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2024 22:17:59 +0200 From: Julia Lawall To: "David S. Miller" Cc: kernel-janitors@vger.kernel.org, vbabka@suse.cz, paulmck@kernel.org, David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 04/17] ipv6: replace call_rcu by kfree_rcu for simple kmem_cache_free callback Date: Sun, 13 Oct 2024 22:16:51 +0200 Message-Id: <20241013201704.49576-5-Julia.Lawall@inria.fr> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20241013201704.49576-1-Julia.Lawall@inria.fr> References: <20241013201704.49576-1-Julia.Lawall@inria.fr> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Since SLOB was removed and since commit 6c6c47b063b5 ("mm, slab: call kvfree_rcu_barrier() from kmem_cache_d= estroy()"), it is not necessary to use call_rcu when the callback only performs kmem_cache_free. Use kfree_rcu() directly. The changes were made using Coccinelle. Signed-off-by: Julia Lawall Reviewed-by: Eric Dumazet --- net/ipv6/ip6_fib.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index eb111d20615c..24c57c1a52dd 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -198,16 +198,9 @@ static void node_free_immediate(struct net *net, struc= t fib6_node *fn) net->ipv6.rt6_stats->fib_nodes--; } =20 -static void node_free_rcu(struct rcu_head *head) -{ - struct fib6_node *fn =3D container_of(head, struct fib6_node, rcu); - - kmem_cache_free(fib6_node_kmem, fn); -} - static void node_free(struct net *net, struct fib6_node *fn) { - call_rcu(&fn->rcu, node_free_rcu); + kfree_rcu(fn, rcu); net->ipv6.rt6_stats->fib_nodes--; }